different between viability vs inviability

English

From viabil +? -ity

viability (countable and uncountable, plural viabilities)

The property of being viable; the ability to live or to succeed
- 1904, Hugo DeVries, Species and Varieties, Their Origin by Mutation
  Ordinarily these altered organs are sterile, but in some instances a very small quantity of seed is produced, and when testing their viability I succeeded in raising a few plants from them.
- 1980, Jimmy Carter, State of the Union Address
  In making its grants the Endowment will increase its emphasis on techniques which stimulate support for the humanities from non-Federal sources, in order to reinforce our tradition of private philanthropy in this field, and to insure and expand the financial, viability of our cultural institutions and life.

in- +? viability

inviability (countable and uncountable, plural inviabilities)

(biology) The state or quality of not being viable
The inviability of these hybrids has a genetic basis.

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